Psoriasis definition, a common chronic, inflammatory skin disease characterized by scaly patches. C17: via New Latin from Greek: itching disease, from psra itch. Psoriatic definition, a common chronic, inflammatory skin disease characterized by scaly patches. C17: via New Latin from Greek: itching disease, from psra itch. Psoriasis is a long-lasting autoimmune disease characterized by patches of abnormal skin. These skin patches are typically red, itchy, and scaly. They used the term psora to describe itchy skin conditions.
Psoriasis and atopic dermatitis are chronic and relapsing inflammatory diseases of the skin associated with various immunologic abnormalities. The term psoriasis is derived from the Greek (psora: scurf, itch, rash). Psoriasis is also the medical name for the condition, a term derived from the Greek word psora (meaning itch or scratch). The word can also be used to describe mange or scabies. Psoriasis is a chronic skin disease result in patches of thick red skin covered with silvery scaling.
Fact: Psoriasis is actually an immune-system disease that causes abnormal growth of skin cells. The name is derived from the Greek word psora which means to itch.